(cache)Submission #75747550 - AtCoder Beginner Contest 447

Contest Duration: 2026-02-28(Sat) 21:00 - 2026-02-28(Sat) 22:40 (local time) (100 minutes) Back to Home

Submission #75747550

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#include <stdio.h>
char S[312345];
char T[312345];
int main(void) {
  int sidx = 0, tidx = 0, ans = 0;
  if (scanf("%312344s", S) != 1) return 1;
  if (scanf("%312344s", T) != 1) return 1;
  while (S[sidx] != '\0' || T[tidx] != '\0') {
    if (S[sidx] == T[tidx]) {
      sidx++;
      tidx++;
    } else if (S[sidx] == 'A') {
      sidx++;
      ans++;
    } else if (T[tidx] == 'A') {
      tidx++;
      ans++;
    } else {
      puts("-1");
      return 0;
    }
  }
  printf("%d\n", ans);
  return 0;
}
 
 
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#include <stdio.h>

char S[312345];
char T[312345];

int main(void) {
	int sidx = 0, tidx = 0, ans = 0;
	if (scanf("%312344s", S) != 1) return 1;
	if (scanf("%312344s", T) != 1) return 1;
	while (S[sidx] != '\0' || T[tidx] != '\0') {
		if (S[sidx] == T[tidx]) {
			sidx++;
			tidx++;
		} else if (S[sidx] == 'A') {
			sidx++;
			ans++;
		} else if (T[tidx] == 'A') {
			tidx++;
			ans++;
		} else {
			puts("-1");
			return 0;
		}
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Submission Time	2026-05-12 19:40:05
Task	C - Insert and Erase A
User	mikecat
Language	C23 (GCC 14.2.0)
Score	300
Code Size	496 Byte
Status	AC
Exec Time	3 ms
Memory	2292 KiB

Judge Result

Set Name

Sample

All

Score / Max Score

0 / 0

300 / 300

Status

× 4

× 33

Set Name	Test Cases
Sample	00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt
All	00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 01_random_00.txt, 01_random_01.txt, 01_random_02.txt, 02_random2_00.txt, 02_random2_01.txt, 02_random2_02.txt, 02_random2_03.txt, 02_random2_04.txt, 02_random2_05.txt, 02_random2_06.txt, 02_random2_07.txt, 02_random2_08.txt, 02_random2_09.txt, 02_random2_10.txt, 02_random2_11.txt, 03_random3_00.txt, 03_random3_01.txt, 03_random3_02.txt, 03_random3_03.txt, 04_handmade_00.txt, 04_handmade_01.txt, 04_handmade_02.txt, 04_handmade_03.txt, 04_handmade_04.txt, 04_handmade_05.txt, 04_handmade_06.txt, 04_handmade_07.txt, 04_handmade_08.txt, 04_handmade_09.txt

Case Name	Status	Exec Time	Memory
00_sample_00.txt	AC	0 ms	1624 KiB
00_sample_01.txt	AC	0 ms	1488 KiB
00_sample_02.txt	AC	0 ms	1756 KiB
00_sample_03.txt	AC	0 ms	1644 KiB
01_random_00.txt	AC	1 ms	1576 KiB
01_random_01.txt	AC	1 ms	1880 KiB
01_random_02.txt	AC	2 ms	2292 KiB
02_random2_00.txt	AC	2 ms	1868 KiB
02_random2_01.txt	AC	2 ms	2288 KiB
02_random2_02.txt	AC	3 ms	2204 KiB
02_random2_03.txt	AC	3 ms	2204 KiB
02_random2_04.txt	AC	3 ms	2120 KiB
02_random2_05.txt	AC	2 ms	1948 KiB
02_random2_06.txt	AC	2 ms	2268 KiB
02_random2_07.txt	AC	2 ms	2016 KiB
02_random2_08.txt	AC	3 ms	2160 KiB
02_random2_09.txt	AC	3 ms	2204 KiB
02_random2_10.txt	AC	2 ms	2144 KiB
02_random2_11.txt	AC	2 ms	2124 KiB
03_random3_00.txt	AC	2 ms	2204 KiB
03_random3_01.txt	AC	3 ms	1996 KiB
03_random3_02.txt	AC	2 ms	2076 KiB
03_random3_03.txt	AC	1 ms	2076 KiB
04_handmade_00.txt	AC	0 ms	1756 KiB
04_handmade_01.txt	AC	0 ms	1564 KiB
04_handmade_02.txt	AC	0 ms	1592 KiB
04_handmade_03.txt	AC	0 ms	1648 KiB
04_handmade_04.txt	AC	2 ms	2204 KiB
04_handmade_05.txt	AC	2 ms	2204 KiB
04_handmade_06.txt	AC	2 ms	2088 KiB
04_handmade_07.txt	AC	2 ms	2204 KiB
04_handmade_08.txt	AC	1 ms	2008 KiB
04_handmade_09.txt	AC	1 ms	2028 KiB